How many flights depart from Tamil Nadu to Bihar on average per week?

14 flights are operational weekly from Tamil Nadu to Bihar as of December 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

What is the cheapest airline that flies from Tamil Nadu to Bihar?

IndiGo and Air India are the most popular carriers operating from Tamil Nadu to Bihar

How many flights depart from Tamil Nadu to Bihar on average per day?

The number of flights available between Tamil Nadu and Bihar is 2 per day as of December 2025. The most frequent departure time is 07:00, with 100% of daily flights leaving at midday.

When did momondo last update prices for flights from Tamil Nadu to Bihar?

Prices for flights from Tamil Nadu to Bihar are updated daily.

How many operators does momondo search for flights from Tamil Nadu to Bihar?

As of December 2025, there are 2 operators available to choose from for flights from Tamil Nadu to Bihar.

How old do you have to be to fly from Tamil Nadu to Bihar?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Tamil Nadu to Bihar.

What documentation or ID do you need to fly to Bihar?

The necessary travel and health documents for your Bihar trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

₹ 5,568 Cheap Flights from Tamil Nadu to Bihar in 2025/26

1 adult

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Find the cheapest flights from Tamil Nadu to Bihar

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

09:40 - 14:20

MAA

PAT

4h 40m1 stop

17:45 - 20:20

PAT

MAA

2h 35mdirect

₹ 11,227IndiGo

Sat, 7 Feb - Thu, 12 Feb

09:40 - 14:20

MAA

PAT

4h 40m1 stop

21:05 - 06:20

PAT

MAA

9h 15m1 stop

₹ 11,496IndiGo

Sat, 7 Feb - Thu, 12 Feb

11:05 - 13:10

MAA

PAT

2h 05mdirect

17:45 - 20:20

PAT

MAA

2h 35mdirect

₹ 11,586IndiGo

Mon, 9 Feb - Mon, 16 Feb

11:05 - 13:10

MAA

PAT

2h 05mdirect

17:45 - 20:20

PAT

MAA

2h 35mdirect

₹ 12,215IndiGo

Sat, 7 Feb - Thu, 12 Feb

11:05 - 13:10

MAA

PAT

2h 05mdirect

21:05 - 08:00

PAT

MAA

10h 55m1 stop

₹ 12,843IndiGo

Sun, 25 Jan - Sun, 1 Feb

12:15 - 18:00

MAA

PAT

5h 45m1 stop

21:05 - 08:00

PAT

MAA

10h 55m1 stop

₹ 13,921IndiGo

Sun, 25 Jan - Sun, 1 Feb

11:05 - 13:10

MAA

PAT

2h 05mdirect

17:45 - 20:20

PAT

MAA

2h 35mdirect

₹ 15,987IndiGo

Sun, 25 Jan - Sun, 1 Feb

22:45 - 11:20

MAA

PAT

12h 35m2 stops

11:05 - 18:35

PAT

MAA

7h 30m1 stop

₹ 19,849IndiGo

Mon, 9 Feb - Mon, 16 Feb

13:15 - 20:25

MAA

PAT

7h 10m2 stops

21:05 - 06:20

PAT

MAA

9h 15m1 stop

₹ 20,388IndiGo

Sat, 7 Feb - Thu, 12 Feb

08:45 - 18:45

MAA

PAT

10h 00m1 stop

19:30 - 03:25

PAT

MAA

7h 55m1 stop

₹ 44,188SpiceJet

Fri, 20 Mar - Sat, 21 Mar

IndiGo flights from Tamil Nadu to Bihar

Our best IndiGo deals on Tamil Nadu to Bihar flight tickets

IndiGo

7 Feb

MAA09:40Chennai

4h 40m

1 stop

PAT14:20Patna

12 Feb

PAT17:45Patna

2h 35m

MAA20:20Chennai

₹ 11,227

Find similar

IndiGo

7 Feb

MAA09:40Chennai

4h 40m

1 stop

PAT14:20Patna

12 Feb

PAT21:05Patna

9h 15m

1 stop

MAA06:20Chennai

₹ 11,496

Find similar

IndiGo

9 Feb

MAA11:05Chennai

2h 05m

PAT13:10Patna

16 Feb

PAT17:45Patna

2h 35m

MAA20:20Chennai

₹ 11,586

Find similar

SpiceJet flights from Tamil Nadu to Bihar

Our best SpiceJet deals on Tamil Nadu to Bihar flight tickets

SpiceJet

20 Mar

MAA08:45Chennai

10h 00m

1 stop

PAT18:45Patna

21 Mar

PAT19:30Patna

7h 55m

1 stop

MAA03:25Chennai

₹ 44,188

Find similar

SpiceJet

20 Mar

MAA08:45Chennai

10h 00m

1 stop

PAT18:45Patna

21 Mar

PAT19:30Patna

7h 55m

1 stop

MAA03:25Chennai

₹ 44,278

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChennaiPatna

MAA - PAT

MAAPAT

Chennai

Sat 7/2

09:40-14:20

1 stop4h 40m

Patna

Thu 12/2

17:45-20:20

Nonstop2h 35m

₹ 11,227

ChennaiPatna

MAA - PAT

MAAPAT

Chennai

Sat 7/2

09:40-14:20

1 stop4h 40m

Patna

Thu 12/2

21:05-06:20

1 stop9h 15m

₹ 11,496

ChennaiPatna

MAA - PAT

MAAPAT

Chennai

Mon 9/2

11:05-13:10

Nonstop2h 05m

Patna

Mon 16/2

17:45-20:20

Nonstop2h 35m

₹ 11,586

ChennaiPatna

MAA - PAT

MAAPAT

Chennai

Sat 7/2

11:05-13:10

Nonstop2h 05m

Patna

Thu 12/2

17:45-20:20

Nonstop2h 35m

₹ 12,215

ChennaiPatna

MAA - PAT

MAAPAT

Chennai

Sun 25/1

11:05-13:10

Nonstop2h 05m

Patna

Sun 1/2

21:05-08:00

1 stop10h 55m

₹ 12,843

ChennaiPatna

MAA - PAT

MAAPAT

Chennai

Sun 25/1

12:15-18:00

1 stop5h 45m

Patna

Sun 1/2

21:05-08:00

1 stop10h 55m

₹ 13,921

ChennaiPatna

MAA - PAT

MAAPAT

Chennai

Sun 25/1

11:05-13:10

Nonstop2h 05m

Patna

Sun 1/2

17:45-20:20

Nonstop2h 35m

₹ 15,987

ChennaiPatna

MAA - PAT

MAAPAT

Chennai

Mon 9/2

22:45-11:20

2 stops12h 35m

Patna

Mon 16/2

11:05-18:35

1 stop7h 30m

₹ 19,849

ChennaiPatna

MAA - PAT

MAAPAT

Chennai

Sat 7/2

13:15-20:25

2 stops7h 10m

Patna

Thu 12/2

21:05-06:20

1 stop9h 15m

₹ 20,388

ChennaiPatna

MAA - PAT

MAAPAT

Chennai

Fri 20/3

08:45-18:45

1 stop10h 00m

Patna

Sat 21/3

19:30-03:25

1 stop7h 55m

₹ 44,188

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Tamil Nadu to Bihar

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Bihar?

The cheapest month to fly to Bihar from Tamil Nadu is in November. Flight prices, which tend to average around ₹ 12,035, are often lower during this time because this is during the off-season. If you aren’t able to travel to Bihar during the month of November, then flying in August is also cheap. Prices for this month can be found on momondo for an average of ₹ 12,484.

What is the cheapest day to depart on your flight to Bihar?

Our data shows that Friday is the least expensive day to fly to Bihar. Tickets to fly out on this day can be as low as ₹ 12,453. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Bihar on Sunday is ₹ 15,166.

What is the cheapest Tamil Nadu to Bihar flight route?

Fly from Chennai to Patna for the best Tamil Nadu - Bihar flight prices

What cabin class options are available on Tamil Nadu to Bihar flights?

There is only 1 cabin class available to choose from on Tamil Nadu to Bihar flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Tamil Nadu to Bihar flights?

You could potentially save up to 5% on your flight if you consider stops on a Tamil Nadu to Bihar flight.

Cheap Tamil Nadu to Bihar flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tamil Nadu to Bihar

Fastest flight time	2h 05m
Direct flights	Mon, Tue, Thu and Sun
Airports in Bihar	4 airports

The fastest flight from Tamil Nadu to Bihar takes 2h 05m

Direct flights go from Tamil Nadu to Bihar on Monday, Tuesday, Thursday and Sunday. There are no airlines offering direct flights..

There are 4 airports in Bihar. From Tamil Nadu there are direct flights to Patna (PAT).

Search flight deals

When did momondo last update prices for flights from Tamil Nadu to Bihar?
Prices for flights from Tamil Nadu to Bihar are updated daily.
How many operators does momondo search for flights from Tamil Nadu to Bihar?
As of December 2025, there are 2 operators available to choose from for flights from Tamil Nadu to Bihar.
How old do you have to be to fly from Tamil Nadu to Bihar?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Tamil Nadu to Bihar.
What documentation or ID do you need to fly to Bihar?
The necessary travel and health documents for your Bihar trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Tamil Nadu to Bihar?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Tamil Nadu to Bihar is Airbus A320neo (38.33% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (18.33%), Boeing 737-800 Passenger/BBJ2 (winglets) (15.00%), and Boeing 737 (10.00%).

Best airlines flying from Tamil Nadu to Bihar

Compare and see reviews for airlines that fly from Tamil Nadu to Bihar with momondo

Airline	Rating	Free Cancellation	Price
Air India Express	PriceFrom ₹ 11,457	Free Cancellation	Rating 0.0 0 reviews		Search Air India Express flights
IndiGo	PriceFrom ₹ 11,591	Free Cancellation	Rating 6.8 512 reviews		Search IndiGo flights

Why use momondo?

Why should I use momondo to find a flight deal from Tamil Nadu to Bihar?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Tamil Nadu to Bihar. momondo saves you time and could save you money on your trip.

Can I find flights from Tamil Nadu to Bihar with flexible booking policies on momondo?

Flights from Tamil Nadu to Bihar with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Tamil Nadu to Bihar?

momondo provides multiple filters to help you find the best flight to Bihar from Tamil Nadu. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Tamil Nadu to Bihar right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Tamil Nadu to Bihar flights. All you need is a valid email address and we will do the rest; it is that quick and easy.